In a Compton collision: e- ++ +y the change in the wavelength of the photon AX=-depends only on the relative angle at which the photons exit if the initial electron is considered at rest. a) Obtain the expression for A1 as a function of the angle that the outgoing photon makes with the incident photon. b) Obtain the expression for the angle formed by the outgoing photon with respect to the incident photon in a frontal Compton collision, that is: __

Answer:

The magnitude of the work performed by the mover is 1863 J.

Explanation:

The work can be found using the following equation:

\( W = F*d \)

Where:

F: is the force

d: is the displacement = 8.1 m

First, we need to find the net force in the horizontal direction, as follows:

\( \Sigma F_{x} = ma = 0 \)

a = 0 since the mover slides a refrigerator at a constant velocity.

\( F_{x} = F_{f} = -230 N \)

\(F_{f}\): is the friction force.

Then, the work is:

\( W = F*d = -230 N*8.1 m = -1863 J \)    

Therefore, the magnitude of the work performed by the mover is 1863 J.

I hope it helps you!                              

Hi there!

(A)

We can solve for acceleration using the following equation:

Δd = vit + 1/2at²

The shuttle lifts-off from rest, so:

Δd = 1/2at²

Rearrange to solve for 'd':

2Δd/t² = a

2(350)/(3.5²) = 57.14 m/s²

(B)

Now, we can use this equation to solve for final velocity:

vf = vi + at

vf = at

vf = 57.14 × 3.5 = 200 m/s

(C)

Now, we can use the following equation to solve for displacement:

Δd = vt

Δd/v = t

350/200 = 1.75 sec

Answer:

waxing gibbous

Explanation:

because the moon is before the earth

By considering the time taken for the stone to hit the water and the assumed infinite sound speed and instant reflection, we can estimate the height of the cliff to be around 484.5 meters.

When the stone is dropped from the top of the cliff, it takes 3 seconds to hit the water at the bottom. Since we are assuming an infinite sound speed and instant sound reflection, the total time for the sound to travel from the bottom to the top and back is also 3 seconds. Therefore, the time taken by the sound to travel one way is 3/2 = 1.5 seconds.

The speed of sound in air is approximately 343 meters per second. By multiplying the speed of sound by the time taken for the sound to travel one way, we can calculate the distance traveled by sound. In this case, the distance is 343 m/s * 1.5 s = 514.5 meters. However, the distance traveled by sound is equal to the sum of the height of the cliff and the depth of the water. Since we are looking for the height of the cliff, we can subtract the depth of the water from the calculated distance.

Assuming the depth of the water is 30 meters, we subtract 30 meters from 514.5 meters to get the height of the cliff as approximately 484.5 meters.

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FULL QUESTION:

During camping, a simple way to estimate the height of a cliff is to drop a stone from the top and hear the splash when it hits the water at the bottom. The splash is heard 3 seconds later. Assume sound speed is infinite and the sound comes back instantly, i.e. the stone takes 3 seconds to drop. Find the height of the cliff.

In order to move the bookcase across his living room, Martin needed 20 watts of power.

The rate of energy conversion or transfer is measured in terms of power (P). Power (P = W/t) is defined as the product of work and time. In honour of Scottish inventor James Watt, the watt (W) serves as the SI unit of power (1736 - 1819).

Power = Time / Work

Where Given: Work = Force x Distance

50 N of force must travel 4 m.

Time = 10 s

Work equals Force x Distance, or 50 N x 4 m = 200 J.

200 J divided by 10 s equals 20 W of power.

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*The mass of the cart is

m=5 kg

*The acceleration is

The correct answer is C) 3, 2, 1.  The center of mass of a square plate lies at the intersection of its diagonals. When a corner is cut from a square plate, its center of mass is shifted towards the direction of the cut. The magnitude of the shift is proportional to the distance between the center of mass and the cut corner.

In the given scenario, the plate with one corner cut will have its center of mass shifted the least, as the distance between its center of mass and the cut corner is the smallest. The plate with two corners cut will have its center of mass shifted more than the first plate, but less than the plate with three corners cut. The plate with three corners cut will have its center of mass shifted the most, as the distance between its center of mass and the cut corners is the largest.
Therefore, the plates should be ranked in the order of the number of corners cut, with the plate with the most corners cut having the largest x coordinate of its center of mass. Hence, the correct answer is C) 3, 2, 1.

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Using newtons second law

\(\\ \sf\longmapsto Force=Mass\times Acceleration\)

\(\\ \sf\longmapsto Force=5(8)\)

\(\\ \sf\longmapsto Force=40N\)

When the momentum of an object is increased by a factor of 4 in magnitude, the kinetic energy of the object is changed by a factor of 16. Here option A is the correct answer.

The kinetic energy of an object is given by the equation KE = (1/2)mv², where m represents the mass of the object and v represents its velocity.

The momentum of an object is defined as p = mv, where p represents the momentum, m is the mass, and v is the velocity.

If the momentum of an object is increased by a factor of 4 in magnitude, it means the new momentum is 4 times larger than the original momentum. Mathematically, we can write this as p' = 4p, where p' is the new momentum and p is the original momentum.

Since p = mv, we can substitute this into the equation above to obtain p' = 4mv.

Now, let's consider the kinetic energy. The original kinetic energy is KE = (1/2)mv², and the new kinetic energy is KE' = (1/2)m(v')², where v' is the new velocity.

We know that p' = 4mv, so we can rewrite it as 4mv = m(v').

Dividing both sides of the equation by m, we get 4v = v'.

Now, substituting this into the equation for kinetic energy, we have KE' = (1/2)m(4v)².

Simplifying the equation, we have KE' = (1/2)m(16v²).

Notice that v² appears in both the original and new kinetic energy equations. Since the mass (m) is the same for both cases, we can cancel it out.

Therefore, the ratio of the new kinetic energy to the original kinetic energy is (1/2)(16v²)/(1/2)(v²) = 16.

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Complete question:

The momentum of an object is increased by a factor of 4 in magnitude. By what factor is its kinetic energy changed?(a) 16 (b) 8 (c) 4 (d) 2(e) 1

Given that one marble is twice as heavy as the other, the correct statement is: the heavier marble has twice as much kinetic energy as the lighter one

KE = PE = mgh

KE₁ = mgh

KE = PE = mgh

KE₂ = 2mgh

KE₂ / KE₁ = 2mgh / mgh

KE₂ / KE₁ = 2

Cross multiply

KE₂ = 2 × KE₁ =

KE₂ = 2KE₁

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Answer:

A C E

Explanation:

got it right on edge 2021

Answer:It’s A C E

Explanation: I took the assignment and got it right :D

Answer:

Explanation:

Impulse = Force × time

So 88× 3 =264!!

Answer:

264 kg*m/s

Explanation:

Answer:

In metallic bonds, the valence electrons from the s and p orbitals of the interacting metal atoms delocalize. That is to say, instead of orbiting their respective metal atoms, they form a “sea” of electrons that surrounds the positively charged atomic nuclei of the interacting metal ions.

Explanation:

Answer:

Electrons flow easily between metal nuclei :)

Explanation:

Answer:

hydrogen chloride...........

Archimedes screw, machine for raising water, allegedly invented by the ancient Greek scientist Archimedes for removing water from the hold of a large ship.

Answer:

To move things from a lower level to a higher level.

Explanation:

If a tire is underinflated, the only part that grips the road well is the outside edge of your tire.

If a tire is underinflated, the correct statement is that only the outside edge of your tire grips the road well. This is because when a tire is underinflated, the centre of the tire tread tends to bulge outward, resulting in reduced contact with the road surface. As a result, the tire loses traction, especially in wet or slippery conditions, which can be dangerous. The only part of the tire that remains in contact with the road is the outside edge, which is the area that experiences the most wear and tear. Therefore, it is important to regularly check and maintain proper tire pressure to ensure that the entire tire tread remains in contact with the road, providing maximum traction and safety.

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Answer:

2.84 seconds

Explanation:

t = ?

distance = 125

Velocity origianal = 60 m/hr = 88 ft/s

     AVERAGE velocity = 88/2 = 44 ft/s

44 t = 125

t = 125/44 = 2.84 s

Answer:

recycling aluminum products

Explanation:

I I took this test hope this out and on the test I got this correct

Please find attached photograph for your answer.

Answer:

Espanol 7h2 that's c coupon

The bubble that rises quickly will rise faster because it expands and reduces its density. When it reaches the surface, it will have a higher temperature than the other bubble.

According to the given information, two hydrogen bubbles are released from a deep sea vent. Both bubbles have the same radius and are in mechanical equilibrium with the water around them at 200 atmospheres. The problem asks us to determine which bubble will rise faster and why. In addition, we also have to explain the difference in the temperature between the two bubbles when they reach the surface. The bubble that rises quickly will not be able to exchange energy with the surrounding water because it is moving too fast. Therefore, it will experience an increase in temperature as it rises, which will cause it to expand.

According to the ideal gas law, PV = n RT, the volume of a gas is directly proportional to its temperature. Because the bubble is expanding, its volume is increasing as well, which reduces its density. As a result, it will rise faster than the other bubble. The other bubble, on the other hand, will rise slowly and will always be in thermal equilibrium with the water around it. Because the temperature of the water remains constant, the temperature of the bubble will also remain constant. Therefore, the density of the bubble will remain constant, causing it to rise slower than the other bubble. When the two bubbles reach the surface, the one that rose quickly will have a higher temperature than the other bubble. Because it expanded, it had to do work against the surrounding water, which caused it to heat up. The slower rising bubble, on the other hand, will have the same temperature as the water, as it was always in thermal equilibrium with it.

The bubble that rises quickly will rise faster because it expands and reduces its density. When it reaches the surface, it will have a higher temperature than the other bubble. The slower rising bubble will have the same temperature as the water and will therefore rise slower.

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Answer:

See below

Explanation:

12 125 lbs  *  .4536 kg/lb = 5499.9 kg      =   5 .4999 x 10 ^3 kg

The de Broglie wavelength of the electron is 2.212 x 10-11 m.

The de Broglie wavelength is a concept in quantum mechanics which states that all matter has a wave-like nature, and can thus be described as a wave.

(a) The de Broglie wavelength (λ) of a particle is given by the equation: λ = h/p, where h is Planck's constant (6.626 x 10-34 J.s) and p is the momentum of the particle.
The momentum of an electron with a 1000-V potential drop is given by the equation p = eV/c,
where e is the electron charge (1.602 x 10-19 C) and c is the speed of light (2.998 x 108 m/s).
Therefore, the de Broglie wavelength of the electron is:
λ = h/(eV/c) = (6.626 x 10-34 J.s) / (1.602 x 10-19 C x 1000 V/2.998 x 108 m/s) = 2.212 x 10-11 m.

(b) X-rays are produced when high-energy electrons strike a solid.
The wavelength of the x-ray is inversely proportional to the energy of the electron.
The energy of the electron is equal to the potential drop, i.e. 1000 eV. Therefore,
the wavelength of the x-ray produced is: λ = hc/eV = (6.626 x 10-34 J.s x 2.998 x 108 m/s)/(1.602 x 10-19 C x 1000 eV) = 1.246 x 10-10 m.

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Answer:

HOPEFULLY i am correct but i say its D. Hopefully I helped!✨

Answer: It can be A or B

Explanation: In physics, motion is the phenomenon in which an object changes its position over time. Motion is mathematically described in terms of displacement, distance, velocity, acceleration, speed, and time.

It takes approximately 4.59 seconds for the car to come to a stop. the car's initial speed was approximately 110.2 ft/s,

To determine the time it takes for the car to stop and the car's initial speed, we can use the kinematic equation:

v² = u² + 2as

where:

v is the final velocity (0 ft/s, since the car comes to a stop),

u is the initial velocity (unknown),

a is the acceleration (-24.0 ft/s², as the car slows down),

and s is the distance traveled (253 ft).

Plugging in the known values into the equation, we can solve for u:

0² = u² + 2(-24.0 ft/s²)(253 ft)

0 = u² - 48.0 ft/s² * 253 ft

48.0 ft/s² * 253 ft = u²

u² = 12144 ft²/s²

Taking the square root of both sides:

u = √12144 ft/s

u ≈ 110.2 ft/s

So, the car's initial speed was approximately 110.2 ft/s.

Now, to find the time it takes for the car to stop, we can use the equation:

v = u + at

0 = 110.2 ft/s + (-24.0 ft/s²) * t

24.0 ft/s² * t = 110.2 ft/s

t = 110.2 ft/s / 24.0 ft/s²

t ≈ 4.59 s

Therefore, it takes approximately 4.59 seconds for the car to come to a stop.

In summary, the car's initial speed was approximately 110.2 ft/s, and it took approximately 4.59 seconds for the car to come to a stop while skidding a distance of 253 ft.

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Raw sewage contains microorganisms that can harm ecological systems as well as make people and animals ill. In addition to bacteria and viruses, raw sewage frequently include germs that are harmful to human health. Additionally, there are additional substances in raw sewage that are just poisonous to fish, shellfish, mammals, and other aquatic life. Consequently, sewage pollution that enters a body of water sets off a negative cascade.

The definition of diversity is the quality of including or consisting of several constituents .The development of workplace diversity models since the 1960s has given rise to a strong commercial rationale for diversity. The initial paradigm for diversity in the United States was based on affirmative action and the equal opportunity employment goals put in place by the Civil Rights Act of 1964. The principle of equal employment opportunity was predicated on the notion that anybody who was intellectually or physically prepared for a particular profession might work toward (and perhaps achieve) getting the stated position without experiencing identity-based discrimination. This compliance-based strategy gave birth to the notion that the only reason a person who was different from the majority group was employed into a corporation was for show.

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Answer:

False.

Explanation:

Mass is the amount of matter in a given object. Weight is the force acting on an object due to gravity.

Answer:

False

Explanation:

Weight is the act of pulling an object towards the earth surface so weight is a force to amount

10% of more girls are likely to work than boys.

option A.

The percentage of girls who are more likely to work than boys are calculated as follows;

Total number of boys = 18 + 12 = 30

Number of boys who works = 18

Percentage = 18/30 x 100% = 60%

Total number of girls = 14 + 6 = 20

Number of girls who works = 14

Percentage = 14/20 x 100% = 70%

Difference = 70% - 60% = 10%

So 10% of more girls are likely to work than boys.

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The momentum of the stationary car weighing 9810N is zero.

The momentum (p) of an object is defined as the product of its mass (m) and its velocity (v):

p = m * v

Since the car is stationary, its velocity is zero. However, we can still calculate its momentum using its weight (W) and the acceleration due to gravity (g), which is approximately 9.81 \(m/s^2\):

W = m * g

Rearranging this equation, we can solve for the mass of the car:

m = W / g

Substituting the given weight of the car, we get:

m = 9810 N / 9.81 \(m/s^2\) = 1000 kg

Now we can calculate the momentum of the car as:

p = m * v = 1000 kg * 0 m/s = 0 kg*m/s

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Answer:

 v_f = 1.14 m / s

Explanation:

This is an exercise of conservation of momentum, let's define a system formed by the skater and the snowball, therefore the forces during the launch are internal and the moment is conserved.

Initial instant. Before throwing the ball

        p₀ = M v₀

Final moment. After throwing the snowball

       p_f = (M-m) v_f + m v

the moment is preserved

        p₀ = p_f

        M v₀ = (M-m) v_f + m v

        v_f = \(\frac{M v_o - m v}{M-m}\)

let's calculate

       v_f = \(\frac{57 \ 1.2 - 0.11 \ 31.5}{ 57 - 0.11}\)

       v_f = 64.936 / 56.89

       v_f = 1.14 m / s